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Finding the Fourth Proportional to 59,054.80, 88,582.20 and 51,278.80

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Solution

The fourth proportional to 59,054.80, 88,582.20 and 51,278.80 is: 76,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,054.80 : 88,582.20 = 51,278.80 : x
  2. Step 2: Convert to fraction form
    59,054.80/88,582.20 = 51,278.80/x
  3. Step 3: Cross multiply
    59,054.80x = 88,582.20 × 51,278.80
  4. Step 4: Simplify right side
    59,054.80x = 4,542,388,917.36
  5. Step 5: Solve for x
    x = 4,542,388,917.36/59,054.80
  6. Step 6: Final answer
    x = 76,918.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.